商品説明

-A plastic film with minute holes is attached to a copper grid (200 mesh) with a diameter of 3 mm, and carbon vapor deposition is applied.

・ The hole diameter may vary depending on the lot.

-Adjust the aberration in the XY direction of the beam by using the membrane pores that are as close to a perfect circle as possible with a size suitable for the magnification of the transmission electron microscope to be used.